SEARCH Articles Figures Tables 1,2,4,5-Tetrazine Diels-Alder reactions 1,2,4,5-Tetrazine Diels-Alder reactions 1,2,4,5-Tetrazine reactions Diels-Alder reactions of tetrazines Hetero-Diels-Alder reaction tetrazines Inverse electron-demand Diels-Alder reactions alkenes, 1,2,4,5-tetrazine Tetrazines Tetrazines, Diels-Alder